Reviews of Astrophotography Filters

Oct 15, 2020 · Photometric Color Calibration uses the colors of known stars in the photo to set white balance for the whole photo. It is much more accurate than any other method, and I think a good way …

May 5, 2020 · Formats 2″ Mounted (48mm thread) Spectral Transmission Physical Characteristics of 2″ Filter Filter mount thickness: above threads: 5.02mm; including threads:...

Oct 14, 2020 · Color fill is my independent verification with the filter I tested. Note: I used a Quartz Tungsten-Halogen bulb which is broad spectrum, but does not have good throughput in the blues …

Dec 27, 2021 · 7nm bandpasses provide good contrast and tight stars Excellent light pollution blocker Cons Faint halos on very bright stars created by filter Not available in clip-in format 90 Purchase from:

Oct 14, 2020 · Color fill is my independent verification with the filter I tested. Note: I used a Quartz Tungsten-Halogen bulb which is broad spectrum, but does not have good throughput in the blues …

Formats 2″ Mounted (48mm thread) Spectral Transmission Physical Characteristics of 2″ Filter Filter mount thickness: above threads: 5.02mm; including threads:...

Dec 27, 2021 · Antlia ALP-T Formats 2″ Mounted (48mm thread) Spectral Transmission Yellow line is published transmission. Color fill is my independent verification with the filter I tested.